import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  {
    path:'/home',
    component: Home,
    redirect:'/welcome',
    children:[{path: '/welcome',component: Welcome},
    {path: '/users',component: Users},
    {path: '/rights',component: Rights},
    {path: '/roles',component: Roles},
    {path: '/categories',component: Cate},
    {path: '/params',component: Params},
    {path: '/goods',component: List},
    {path: '/goods/add',component: Add},
    {path: '/orders',component: Order},
    {path: '/reports',component: Report},
  ]
  },
  {
  path:'/',
  redirect:'/login'
},
{
  path: '/login',
  component: Login
},
]

const router = new VueRouter({
  routes,
})

//挂载路由导航守卫
router.beforeEach((to,from,next)=> {
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next 是一个函数,表示放行
  //next() 放行 next('/login') 强制跳转
if(to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if(!tokenStr) return next('/login');
  next();
})


export default router
